Hotel had 66 rooms the number of rooms on each floor was 5 more than the number of floors in the hotel. how many rooms were on each floor?

Standard deviation of 19,29,21,22,23

Jayne is studying urban planning and finds that her town is decreasing in population by 3% each year. the population of her town is changing by a constant rate.true or false?

Out of 50 students surveyed, 16 have a dog. based on these results, predict how many of the 280 students in the school have a dog.